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s390/pci: avoid using strncmp with hardcoded length
Command line option values passed to __setup callbacks are always null-terminated and "s390_iommu=" may only accept "strict" as value. So replace strncmp with strcmp. While at it also make s390_iommu_setup return 1, which means this command line option is handled by this callback. Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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1 changed files with 2 additions and 2 deletions
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@ -674,9 +674,9 @@ EXPORT_SYMBOL_GPL(s390_pci_dma_ops);
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static int __init s390_iommu_setup(char *str)
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{
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if (!strncmp(str, "strict", 6))
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if (!strcmp(str, "strict"))
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s390_iommu_strict = 1;
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return 0;
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return 1;
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}
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__setup("s390_iommu=", s390_iommu_setup);
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